<div class="cnt-form">
    <div class="col1">
        <h1 itemprop="name" class="titulo">Alterar senha</h1>
        <div class="cnt-texto">
            <form id="formlogin" method="post">
                <dt><label>Senha Antiga</label></dt>
                <dd><input type="password" name="senha" id="senha" value=""></dd>
                <dt><label>Nova Senha</label></dt>
                <dd><input type="password" name="senhanov" id="senhanov" value=""></dd>
                <dt><label>Repita Nova Senha</label></dt>
                <dd><input type="password" name="senhanovrep" id="senhanovrep" value=""></dd>
                <button name="submit" id="submit" type="submit">Enviar</button>
            </form>
        </div> 
    </div>
    <div class="col2">
        
    </div>
</div>